Nexus 7000 does not generating logs for duplicate IP Address

[vishal_nijapkar]

Hi ,Recently I had came across 1 issue where one of the server IP  had conflicted with VIP of Nexus core switch. The blade server was physically  connected to Nexus Distribution switch which in turn connects to Nexus  core.Neither Nexus core nor distribution had generate any logs in  regards to IP conflict which ideally happens on Cisco catalyst  switches.I haven't find any document on cisco as well as on internet for  this issue . I dont know what logging need to enable on Nexus for this specific  case . There are different logging levels define for every feature like hsrp,  ip,monitor etc...We have Nexus 7k with latest release 4.2(6)  Software
BIOS: version 3.22.0
kickstart: version 4.2(6)
system: version  4.2(6)Your help is highly appreciated.
Thanks,Vishal

[Ivan Krimmel]

Hi Vishal,

it is supported:

http://www.cisco.com/en/US/docs/switches/datacenter/sw/system_messages/reference/sl_7K_MDS.html#wp1102791

http://www.cisco.com/en/US/docs/switches/datacenter/sw/system_messages/reference/sl_7K_MDS.html#wp1103651

Regards,

Ivan.

[vishal_nijapkar]

Thanks Ivan for your reply.

This issue is resolved now. We have enabled arp logging to level 3 which was by default set to level 2 on Nexus.You can check this by " show logging level arp " command.

Once again Thanks,

Vishal